Home / 261,396.48-391,463.14-148,735.36

Finding the Fourth Proportional to 261,396.48, 391,463.14 and 148,735.36

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Solution

The fourth proportional to 261,396.48, 391,463.14 and 148,735.36 is: 222,743.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,396.48 : 391,463.14 = 148,735.36 : x
  2. Step 2: Convert to fraction form
    261,396.48/391,463.14 = 148,735.36/x
  3. Step 3: Cross multiply
    261,396.48x = 391,463.14 × 148,735.36
  4. Step 4: Simplify right side
    261,396.48x = 58,224,411,054.63
  5. Step 5: Solve for x
    x = 58,224,411,054.63/261,396.48
  6. Step 6: Final answer
    x = 222,743.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.